bindings/spi/cdns%2Cxspi.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2020-21 Cadence
4 ---
5 $id: http://devicetree.org/schemas/spi/cdns,xspi.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Cadence XSPI Controller
11   - Parshuram Thombare <pthombar@cadence.com>
14   The XSPI controller allows SPI protocol communication in
16   read/write access to slaves such as SPI-NOR flash.
21       - cdns,xspi-nor
22       - marvell,cn10-xspi-nor
26       - description: address and length of the controller register set
27       - description: address and length of the Slave DMA data port
28       - description: address and length of the auxiliary registers
29       - description: address and length of the xfer registers
32   reg-names:
34       - const: io
35       - const: sdma
36       - const: aux
37       - const: xfer
44   - compatible
45   - reg
46   - interrupts
49   - $ref: spi-controller.yaml#
50   - if:
55               - marvell,cn10-xspi-nor
60         reg-names:
66         reg-names:
72   - |
73     #include <dt-bindings/interrupt-controller/irq.h>
75         #address-cells = <2>;
76         #size-cells = <2>;
78         xspi: spi@a0010000 {
79             #address-cells = <1>;
80             #size-cells = <0>;
81             compatible = "cdns,xspi-nor";
85             reg-names = "io", "sdma", "aux";
87             interrupt-parent = <&gic>;
90                 compatible = "jedec,spi-nor";
91                 spi-max-frequency = <75000000>;
96                 compatible = "jedec,spi-nor";
97                 spi-max-frequency = <75000000>;